Classic Protocol Extension/History

10 January 2016

• Added finalized version of BlockDefinitions and BlockDefinitionsExt extension.

11 December 2015

• Added finalized version of LongerMessages and FullCP437 extension.

31 October 2014

• Clarified interaction between ExtPlayerList and ChangeModel. [1]

28 October 2014

• Added finalized version of PlayerClick extension. [2]

6 October 2014

• Finalized version 2 of ExtPlayerList extension and moved obsoleted version 1 to a separate subpage. [3]

28 August 2014

• Added a draft of version 2 of ExtPlayerList extension. [4]

18 July 2014

• SetBlockPermissions packet: Values for AllowPlacement and AllowDeletion that are our-of-range (neither 0 nor 1) now mean "allow." Previously the meaning was undefined. [5]

6 April 2014

• Removed the TopLeft MessageType and updated the screenshot. [6]

5 April 2014

• Corrected hexadecimal packet IDs for MakeSelection, RemoveSelection, and SetBlockPermission. Decimal IDs (26-28) were correct all along, bug hex IDs were incorrect. [7]

28 February 2014

• Small addition stating the use of the EntityID byte of ChangeModel having to do with the players own model. [8]

19 December 2013

• Added several more MessageType codes, and added a screenshot to show them in action. [9]

16 December 2013

• Added HackControl and MessageType extension proposals. [10]

8 December 2013

• Clarified extension names vs packet names. [11]

6 November 2013

• Corrected listed size of MakeSelection and HoldThis packets. [12]

5 November 2013

• Restricted SideBlock and EdgeBlock fields of EnvMapAppearance packet to solid blocks. [13]

31 October 2013

• Restricted the timeframe when EnvMapAppearance packet may be sent. It is now only allowed at the end of a level transition (between the last LevelDataChunk packet and the LevelFinalize packet). [14]
• Added EnvWeatherType packet and extension. [15]
• Clarified Negotiation section. [16]

27 October 2013

• Clarified introduction text. [17]

9 October 2013

• Added a note to CustomBlocks about future block ID assignment. [18]

30 September 2013

• Added a note to Negotiation about making assumptions based on AppName [19]

29 September 2013

• Added ability to reset ALL block type permissions using SetBlockPermission packet with BlockType set to 0. [20]
• Finished detailed EnvMapAppearance specification. [21]
• Finished detailed SelectionCuboid specification. [22]
• Formatting fixes. [23]

25 September 2013

• Added details about value ranges for EnvSetColor packet's fields. Added ability to reset colors to defaults by specifying an out-of-range value. [24]

11 September 2013

• Added a picture of CustomBlocks level 1. [25]

3 September 2013

• Corrected packet sizes for EnvSetColor and ChangeModel packets. [26]
• Changed EnvSetColor and MakeSelection packets to use short instead of unsigned byte data types. [27]

2 September 2013

• Filled in details for ChangeModel extension. [28]
• Added EnvMapAppearance extension. [29]

1 September 2013

• Changed SpiderWeb block type to Rope in CustomBlocks level 1. [30]

30 August 2013

• Rewrote ExtPlayerList spec, for clarity. [31]
• Changed TextHotKey to use LWJGL keycodes instead of SDL keycodes. [32]

29 August 2013

• Added BlockPermissions extension. [33]